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Schizophrenia

Dx(@4:38) DSM-5 diagnostic criteria for schizophrenia are described in more detail below. ●A. Two or more of the characteristic symptoms below are present for a significant portion of time during a one-month period (or less if successfully treated): •1. Delusions •2. Hallucinations •3. Disorganized speech (eg, frequent derailment or incoherence) •4. Grossly disorganized or catatonic behaviour •5. Negative symptoms, ie, affective flattening, alogia, or avolition ●B. For a significant portion of the time since the onset of the disturbance, one or more major areas of functioning such as work, interpersonal relations, or self-care are markedly below the level achieved prior to the onset. When the onset is in childhood or adolescence: failure to achieve expected level of interpersonal, academic, or occupational achievement. ●C. Continuous signs of the disturbance persist for at least six months. The six-month period must include at least one month of symptoms (or less if successfully treated) that meet Criterion A (ie, active-phase symptoms) and may include periods of prodromal or residual symptoms. During these prodromal or residual periods, the signs of the disturbance may be manifested by only negative symptoms or two or more symptoms listed in Criterion A that present in an attenuated form (eg, odd beliefs, unusual perceptual experiences). ●D. Schizoaffective disorder and mood disorder with psychotic features have been ruled out because either: (1) no major depressive, manic, or mixed episodes have occurred concurrently with the active-phase symptoms; or (2) if mood episodes have occurred during active-phase symptoms, their total duration has been brief relative to the duration of the active and residual periods. ●E. The disturbance is not due to the direct physiological effects of a substance (eg, a drug of abuse or medication) or a general medical condition. ●F. If the patient has a history of autistic disorder or another pervasive developmental disorder, the additional diagnosis of schizophrenia is made only if prominent delusions or hallucinations are also present for at least a month (or less if successfully treated). Schizophrenia Instructional Tutorial Video CanadaQBank.com QBanks for AMC Exams, MCCEE, MCCQE & USMLE URL:    • Schizophrenia